This comprehensive research-based psychology database is produced by the American Psychological Association and indexes journal articles, books, chapters, and dissertations from 1887 to the present. It focuses on peer-reviewed literature in behavior science and mental health.
Pt. 1. Quantitative research and measurement, qualitative research methods -- Basic quantitative research and statistical procedures -- Multiple regression analysis -- Inferential research methods -- Measurement in quantitative research -- Examples of measurement procedures -- Qualitative and mixed methods research -- Pt. II. Instrument section -- Introduction to instrument section -- Instruments available through commercial organizations.